Run Doggy Run! Annual Chihuahua Race

A Chihuahua dog owner presents his dressed up pet during the 'Run of the Chihuahuas' annual race in Washington on May 4, 2013. The annual Chihuahua race marks the Mexican holiday Cinco de Mayo celebrated on May 5.

Chihuahua dog owners release their pets to compete in the 'Run of the Chihuahuas' annual race in Washington on May 4, 2013. The annual Chihuahua race marks the Mexican holiday Cinco de Mayo celebrated on May 5.

Chihuahua dog owners release their pets to compete in the 'Run of the Chihuahuas' annual race in Washington on May 4, 2013. The annual Chihuahua race marks the Mexican holiday Cinco de Mayo celebrated on May 5.

Chihuahua dog owners release their pets to compete in the 'Run of the Chihuahuas' annual race in Washington on May 4, 2013. The annual Chihuahua race marks the Mexican holiday Cinco de Mayo celebrated on May 5.

A disabled Chihuahua dog pulls its carriage at the 'Run of the Chihuahuas' annual race in Washington on May 4, 2013. The annual Chihuahua race marks the Mexican holiday Cinco de Mayo celebrated on May 5.

A dressed up Chihuahua dog poses during the 'Run of the Chihuahuas' annual race in Washington on May 4, 2013. The annual Chihuahua race marks the Mexican holiday Cinco de Mayo celebrated on May 5.

A Chihuahua dog owner presents his dressed up pet during the 'Run of the Chihuahuas' annual race in Washington on May 4, 2013. The annual Chihuahua race marks the Mexican holiday Cinco de Mayo celebrated on May 5.

A dressed up Chihuahua dog poses during the 'Run of the Chihuahuas' annual race in Washington on May 4, 2013. The annual Chihuahua race marks the Mexican holiday Cinco de Mayo celebrated on May 5.

A dressed up Chihuahua dog poses during the 'Run of the Chihuahuas' annual race in Washington on May 4, 2013. The annual Chihuahua race marks the Mexican holiday Cinco de Mayo celebrated on May 5.

A Chihuahua dog owner presents her dressed up pet during the 'Run of the Chihuahuas' annual race in Washington on May 4, 2013. The annual Chihuahua race marks the Mexican holiday Cinco de Mayo celebrated on May 5.

A Chihuahua dog owner presents her dressed up pet during the 'Run of the Chihuahuas' annual race in Washington on May 4, 2013. The annual Chihuahua race marks the Mexican holiday Cinco de Mayo celebrated on May 5.